451340516 has 24 divisors (see below), whose sum is σ = 907001760. Its totient is φ = 194356800.

The previous prime is 451340453. The next prime is 451340537. The reversal of 451340516 is 615043154.

It is a happy number.

It is a super-2 number, since 2×451340516² = 407416522766292512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269105 + ... + 270776.

It is an arithmetic number, because the mean of its divisors is an integer number (37791740).

Almost surely, 2^451340516 is an apocalyptic number.

It is an amenable number.

451340516 is an abundant number, since it is smaller than the sum of its proper divisors (455661244).

451340516 is a wasteful number, since it uses less digits than its factorization.

451340516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539915 (or 539913 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 451340516 is about 21244.7762049874. The cubic root of 451340516 is about 767.0696040279.

The spelling of 451340516 in words is "four hundred fifty-one million, three hundred forty thousand, five hundred sixteen".